Mulvaney, D. (2010). Green energy: An A-to-Z guide. SAGE.
Cita Chicago (17th ed.)Mulvaney, Dustin. Green Energy: An A-to-Z Guide. Thousand Oaks, Calif: SAGE, 2010.
Cita MLA (9th ed.)Mulvaney, Dustin. Green Energy: An A-to-Z Guide. SAGE, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.